/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
'use strict';
export var conf = {
    comments: {
        lineComment: '\'',
        blockComment: ['/*', '*/'],
    },
    brackets: [
        ['{', '}'], ['[', ']'], ['(', ')'], ['<', '>'],
        ['addhandler', 'end addhandler'],
        ['class', 'end class'],
        ['enum', 'end enum'],
        ['event', 'end event'],
        ['function', 'end function'],
        ['get', 'end get'],
        ['if', 'end if'],
        ['interface', 'end interface'],
        ['module', 'end module'],
        ['namespace', 'end namespace'],
        ['operator', 'end operator'],
        ['property', 'end property'],
        ['raiseevent', 'end raiseevent'],
        ['removehandler', 'end removehandler'],
        ['select', 'end select'],
        ['set', 'end set'],
        ['structure', 'end structure'],
        ['sub', 'end sub'],
        ['synclock', 'end synclock'],
        ['try', 'end try'],
        ['while', 'end while'],
        ['with', 'end with'],
        ['using', 'end using'],
        ['do', 'loop'],
        ['for', 'next']
    ],
    autoClosingPairs: [
        { open: '{', close: '}', notIn: ['string', 'comment'] },
        { open: '[', close: ']', notIn: ['string', 'comment'] },
        { open: '(', close: ')', notIn: ['string', 'comment'] },
        { open: '"', close: '"', notIn: ['string', 'comment'] },
        { open: '<', close: '>', notIn: ['string', 'comment'] },
    ],
    folding: {
        markers: {
            start: new RegExp("^\\s*#Region\\b"),
            end: new RegExp("^\\s*#End Region\\b")
        }
    }
};
export var language = {
    defaultToken: '',
    tokenPostfix: '.vb',
    ignoreCase: true,
    brackets: [
        { token: 'delimiter.bracket', open: '{', close: '}' },
        { token: 'delimiter.array', open: '[', close: ']' },
        { token: 'delimiter.parenthesis', open: '(', close: ')' },
        { token: 'delimiter.angle', open: '<', close: '>' },
        // Special bracket statement pairs
        // according to https://msdn.microsoft.com/en-us/library/tsw2a11z.aspx
        { token: 'keyword.tag-addhandler', open: 'addhandler', close: 'end addhandler' },
        { token: 'keyword.tag-class', open: 'class', close: 'end class' },
        { token: 'keyword.tag-enum', open: 'enum', close: 'end enum' },
        { token: 'keyword.tag-event', open: 'event', close: 'end event' },
        { token: 'keyword.tag-function', open: 'function', close: 'end function' },
        { token: 'keyword.tag-get', open: 'get', close: 'end get' },
        { token: 'keyword.tag-if', open: 'if', close: 'end if' },
        { token: 'keyword.tag-interface', open: 'interface', close: 'end interface' },
        { token: 'keyword.tag-module', open: 'module', close: 'end module' },
        { token: 'keyword.tag-namespace', open: 'namespace', close: 'end namespace' },
        { token: 'keyword.tag-operator', open: 'operator', close: 'end operator' },
        { token: 'keyword.tag-property', open: 'property', close: 'end property' },
        { token: 'keyword.tag-raiseevent', open: 'raiseevent', close: 'end raiseevent' },
        { token: 'keyword.tag-removehandler', open: 'removehandler', close: 'end removehandler' },
        { token: 'keyword.tag-select', open: 'select', close: 'end select' },
        { token: 'keyword.tag-set', open: 'set', close: 'end set' },
        { token: 'keyword.tag-structure', open: 'structure', close: 'end structure' },
        { token: 'keyword.tag-sub', open: 'sub', close: 'end sub' },
        { token: 'keyword.tag-synclock', open: 'synclock', close: 'end synclock' },
        { token: 'keyword.tag-try', open: 'try', close: 'end try' },
        { token: 'keyword.tag-while', open: 'while', close: 'end while' },
        { token: 'keyword.tag-with', open: 'with', close: 'end with' },
        // Other pairs
        { token: 'keyword.tag-using', open: 'using', close: 'end using' },
        { token: 'keyword.tag-do', open: 'do', close: 'loop' },
        { token: 'keyword.tag-for', open: 'for', close: 'next' }
    ],
    keywords: [
        'AddHandler', 'AddressOf', 'Alias', 'And', 'AndAlso', 'As', 'Async', 'Boolean', 'ByRef', 'Byte', 'ByVal', 'Call',
        'Case', 'Catch', 'CBool', 'CByte', 'CChar', 'CDate', 'CDbl', 'CDec', 'Char', 'CInt', 'Class', 'CLng',
        'CObj', 'Const', 'Continue', 'CSByte', 'CShort', 'CSng', 'CStr', 'CType', 'CUInt', 'CULng', 'CUShort',
        'Date', 'Decimal', 'Declare', 'Default', 'Delegate', 'Dim', 'DirectCast', 'Do', 'Double', 'Each', 'Else',
        'ElseIf', 'End', 'EndIf', 'Enum', 'Erase', 'Error', 'Event', 'Exit', 'False', 'Finally', 'For', 'Friend',
        'Function', 'Get', 'GetType', 'GetXMLNamespace', 'Global', 'GoSub', 'GoTo', 'Handles', 'If', 'Implements',
        'Imports', 'In', 'Inherits', 'Integer', 'Interface', 'Is', 'IsNot', 'Let', 'Lib', 'Like', 'Long', 'Loop',
        'Me', 'Mod', 'Module', 'MustInherit', 'MustOverride', 'MyBase', 'MyClass', 'NameOf', 'Namespace', 'Narrowing', 'New',
        'Next', 'Not', 'Nothing', 'NotInheritable', 'NotOverridable', 'Object', 'Of', 'On', 'Operator', 'Option',
        'Optional', 'Or', 'OrElse', 'Out', 'Overloads', 'Overridable', 'Overrides', 'ParamArray', 'Partial',
        'Private', 'Property', 'Protected', 'Public', 'RaiseEvent', 'ReadOnly', 'ReDim', 'RemoveHandler', 'Resume',
        'Return', 'SByte', 'Select', 'Set', 'Shadows', 'Shared', 'Short', 'Single', 'Static', 'Step', 'Stop',
        'String', 'Structure', 'Sub', 'SyncLock', 'Then', 'Throw', 'To', 'True', 'Try', 'TryCast', 'TypeOf',
        'UInteger', 'ULong', 'UShort', 'Using', 'Variant', 'Wend', 'When', 'While', 'Widening', 'With', 'WithEvents',
        'WriteOnly', 'Xor'
    ],
    tagwords: [
        'If', 'Sub', 'Select', 'Try', 'Class', 'Enum',
        'Function', 'Get', 'Interface', 'Module', 'Namespace', 'Operator', 'Set', 'Structure', 'Using', 'While', 'With',
        'Do', 'Loop', 'For', 'Next', 'Property', 'Continue', 'AddHandler', 'RemoveHandler', 'Event', 'RaiseEvent', 'SyncLock'
    ],
    // we include these common regular expressions
    symbols: /[=><!~?;\.,:&|+\-*\/\^%]+/,
    escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
    integersuffix: /U?[DI%L&S@]?/,
    floatsuffix: /[R#F!]?/,
    // The main tokenizer for our languages
    tokenizer: {
        root: [
            // whitespace
            { include: '@whitespace' },
            // special ending tag-words
            [/next(?!\w)/, { token: 'keyword.tag-for' }],
            [/loop(?!\w)/, { token: 'keyword.tag-do' }],
            // usual ending tags
            [/end\s+(?!for|do)(addhandler|class|enum|event|function|get|if|interface|module|namespace|operator|property|raiseevent|removehandler|select|set|structure|sub|synclock|try|while|with|using)/, { token: 'keyword.tag-$1' }],
            // identifiers, tagwords, and keywords
            [/[a-zA-Z_]\w*/, {
                    cases: {
                        '@tagwords': { token: 'keyword.tag-$0' },
                        '@keywords': { token: 'keyword.$0' },
                        '@default': 'identifier'
                    }
                }],
            // Preprocessor directive
            [/^\s*#\w+/, 'keyword'],
            // numbers
            [/\d*\d+e([\-+]?\d+)?(@floatsuffix)/, 'number.float'],
            [/\d*\.\d+(e[\-+]?\d+)?(@floatsuffix)/, 'number.float'],
            [/&H[0-9a-f]+(@integersuffix)/, 'number.hex'],
            [/&0[0-7]+(@integersuffix)/, 'number.octal'],
            [/\d+(@integersuffix)/, 'number'],
            // date literal
            [/#.*#/, 'number'],
            // delimiters and operators
            [/[{}()\[\]]/, '@brackets'],
            [/@symbols/, 'delimiter'],
            // strings
            [/"/, 'string', '@string'],
        ],
        whitespace: [
            [/[ \t\r\n]+/, ''],
            [/(\'|REM(?!\w)).*$/, 'comment'],
        ],
        string: [
            [/[^\\"]+/, 'string'],
            [/@escapes/, 'string.escape'],
            [/\\./, 'string.escape.invalid'],
            [/"C?/, 'string', '@pop']
        ],
    },
};
